Valve flap



FIG. 1 is a perspective view of a valve flap showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 shows an environmental perspective view of the valve flap.

The broken lines in the drawings depict portions of the valve flap andenvironmental structure that form no part of the claimed design.

CLAIM The ornamental design for a valve flap, as shown and described. 